Showa Tool Co., Ltd.

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B23B TURNING; BORING 151

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9149874 Tool holderJul 22, 10Oct 06, 15[B23B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6224306 Tool HolderExpiredSep 23, 99May 01, 01[B23B]
5033921 Traction drive tool adapterExpiredFeb 01, 90Jul 23, 91[B23B, F16H]
4960405 Traction drive spindle deviceExpiredMay 30, 89Oct 02, 90[B23B, F16H]
4478538 Device for detecting tool abnormalityExpiredSep 28, 82Oct 23, 84[B23B, G08B, G01N]

Top Inventors for This Owner

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